Given trapezium ABCD where ΔDAB≅ΔCBA.
Which of the following options is true based on the given information?
BD ≅ CD
∠BCE ≅ ∠DAB
DA ≅ DC
∠ACB ≅ ∠BDA
Among the given options, ∠ACB and ∠BDA are corresponding angles in congruent triangles and are hence congruent.
Based on the construction below, which of the given options must be true?